1334313-77-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1334313-77-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,3,4,3,1 and 3 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1334313-77:
(9*1)+(8*3)+(7*3)+(6*4)+(5*3)+(4*1)+(3*3)+(2*7)+(1*7)=127
127 % 10 = 7
So 1334313-77-7 is a valid CAS Registry Number.